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Camshaft Idler Roller. Porsche 928 1978-82 ❭ 92810557100
- Porsche 928 4.5L 1978-82
OE Match camshaft idler roller for Porsche 928 models from 1978 to 1982. This replacement timing belt roller helps guide and support the cam belt, maintaining correct belt tracking and reliable camshaft timing operation.
Fits:
Porsche 928 1978 - 1982
Diagram Ref No 10
The camshaft idler roller supports and guides the timing belt as it travels around the camshaft drive system. A smooth-running idler roller helps maintain correct belt alignment, reduces belt wear, and supports reliable camshaft timing
Functions
• Replaces the camshaft idler roller
• Guides and supports the timing cam belt
• Helps maintain correct belt tracking
• Supports accurate camshaft timing operation
• Helps reduce belt noise, vibration, and uneven wear
• Replaces worn, noisy, rough, loose, or seized idler rollers
• OE Match replacement for Porsche 928 timing belt service.
Why Replace This Part?
Camshaft idler rollers are exposed to constant rotation, belt load, heat, vibration, and age. Over time, the bearing can become rough, noisy, loose, or seized, which may cause poor belt tracking, belt wear, timing noise, or timing belt failure. Replacing the idler roller during timing belt service helps protect the timing system and supports reliable engine operation.
When to Replace This Part
• Timing belt service is being carried out
• The idler roller is noisy, rough, loose, or seized
• Timing belt tracking issues are present
• The timing belt shows uneven wear
• Front engine timing components are being refreshed
• Preventative replacement is required during major service
• The vehicle is undergoing Porsche 928 engine restoration.
Where it fits on the car
This idler roller fits in the front engine timing belt drive system on Porsche 928 models from 1978 to 1982. It forms part of the camshaft timing belt routing assembly.
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Click 'Zoom in' for large parts diagram.
Diagram ref no 19
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Click 'Zoom in' for large parts diagram.
Diagram ref no 19
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Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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